Haagerup approximation property for finite von Neumann algebras

被引：1
|
作者：
Jolissaint, P [1 ]
机构：
[1] Univ Neuchatel, Inst Math, CH-2000 Neuchatel, Switzerland
来源：
JOURNAL OF OPERATOR THEORY | 2002年 / 48卷 / 03期
关键词：
von Neumann algebras; completely positive maps; Haagerup property; crossed products;
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We study finite von Neumann algebras M that admit an approximate identity made with completely positive normal maps whose extention to L-2(M) are compact operators. We prove heredity results, and we state sufficient conditions on actions of countable groups to ensure that the crossed product algebras have the same property.
引用
收藏
页码：549 / 571
页数：23
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